Blurred vision

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Blurred vision
SpecialtyOphthalmology, optometry
CausesRefractive error
An example of blurred vision
Compared to healthy vision

Blurred vision is an ocular symptom where vision becomes less precise and there is added difficulty to resolve fine details.

Temporary blurred vision may involve dry eyes, eye infections, alcohol poisoning, hypoglycemia, or low blood pressure. Other medical conditions may include refractive errors such as myopia, high hypermetropia, and astigmatism, amblyopia, presbyopia, pseudomyopia, diabetes, cataract, pernicious anemia, vitamin B12 deficiency, thiamine deficiency, glaucoma, retinopathy, hypervitaminosis A, migraine, sjögren's syndrome, floater, macular degeneration, and can be a sign of stroke or brain tumor.[1][2][3]

Causes

There are many causes of blurred vision:

See also

References

  1. ^ a b c Khurana, AK (September 2008). "Errors of refraction and binocular optical defects". Theory and practice of optics and refraction (2nd ed.). Elsevier. ISBN 978-81-312-1132-8.
  2. ^ a b c d "WHO | Global magnitude of visual impairment caused by uncorrected refractive errors in 2004". WHO. Archived from the original on April 13, 2008. Retrieved 2020-09-02.
  3. ^ a b c d e Khurana, AK (September 2008). "Asthenopia, anomalies of accommodation and convergence". Theory and practice of optics and refraction (2nd ed.). Elsevier. ISBN 978-81-312-1132-8.
  4. ^ Rang, H.P. (2003). Pharmacology. Edinburgh: Churchill Livingstone. p. 147. ISBN 0443071454.
  5. ^ John F., Salmon (2020). "Lens". Kanski's clinical ophthalmology : a systematic approach (9th ed.). Edinburgh: Elsevier. ISBN 978-0-7020-7713-5. OCLC 1131846767.
  6. ^ a b c John F., Salmon (2020). "Glaucoma". Kanski's clinical ophthalmology : a systematic approach (9th ed.). Edinburgh: Elsevier. ISBN 978-0-7020-7713-5. OCLC 1131846767.
  7. ^ Diabetic Eye Disease
  8. ^ Carraro, Maria Cristina; Rossetti, Luca; Gerli, Gian Carla (October 2001). "Prevalence of retinopathy in patients with anemia or thrombocytopenia". European Journal of Haematology. 67 (4): 238–244. doi:10.1034/j.1600-0609.2001.00539.x. PMID 11860445. S2CID 20875243.
  9. ^ John F., Salmon (2020). "Retinal vascular disease". Kanski's clinical ophthalmology : a systematic approach (9th ed.). Edinburgh: Elsevier. ISBN 978-0-7020-7713-5. OCLC 1131846767.
  10. ^ Olson, Jazmine M.; Ameer, Muhammad Atif; Goyal, Amandeep (2023), "Vitamin A Toxicity", StatPearls, Treasure Island (FL): StatPearls Publishing, PMID 30422511, retrieved 2023-12-18
  11. ^ John F., Salmon (2020). "Acquired macular diseases". Kanski's clinical ophthalmology : a systematic approach (9th ed.). Edinburgh: Elsevier. ISBN 978-0-7020-7713-5. OCLC 1131846767.
  12. ^ "WHO | Priority eye diseases". WHO. Retrieved 2020-09-02.
  13. ^ Coursey, Terry G; de Paiva, Cintia S (2014-08-04). "Managing Sjögren's Syndrome and non-Sjögren Syndrome dry eye with anti-inflammatory therapy". Clinical Ophthalmology. 8: 1447–1458. doi:10.2147/OPTH.S35685. ISSN 1177-5467. PMC 4128848. PMID 25120351.
  14. ^ a b John F., Salmon (2020). "Neuro-ophthalmology". Kanski's clinical ophthalmology : a systematic approach (9th ed.). Edinburgh: Elsevier. ISBN 978-0-7020-7713-5. OCLC 1131846767.
  15. ^ "Detection and Treatment Of Ocular Toxocariasis". www.reviewofophthalmology.com.
  16. ^ "Carbon Monoxide - Vermont Department of Health". healthvermont.gov. Retrieved 2015-09-18.